package com.hope.hotel.utils;

import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;
import java.io.InputStream;
import java.util.UUID;

@Component
public class AliOSSUtils {
    @Value("${aliyun.oss.endpoint}")
    private String endpoint;
    
    @Value("${aliyun.oss.access-key-id}")
    private String accessKeyId;
    
    @Value("${aliyun.oss.access-key-secret}")
    private String accessKeySecret;
    
    @Value("${aliyun.oss.bucket-name}")
    private String bucketName;

    /**
     * 实现上传图片到OSS
     */
    public  String upload(MultipartFile multipartFile) throws IOException {

//        System.out.println("配置文件:\n"+endpoint+"'\n"+accessKeyId +"\n"+accessKeySecret+"\n"+bucketName+"\n");
        System.out.println("上传图片到OSS");
        // 获取上传的文件的输入流
        InputStream inputStream = multipartFile.getInputStream();

        // 避免文件覆盖
        String originalFilename = multipartFile.getOriginalFilename();
        String fileName = UUID.randomUUID().toString() + originalFilename.substring(originalFilename.lastIndexOf("."));

        //上传文件到 OSS
        OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);

        ossClient.putObject(bucketName, fileName, inputStream);

        //文件访问路径
        String url = "https://" + bucketName + "." + endpoint + "/" + fileName;
        // 关闭ossClient
        ossClient.shutdown();
        return url;// 把上传到oss的路径返回
    }
}
